#!/usr/bin/python  
#coding=utf-8  
import pexpect
import sys

def send_command(child, cmd):
    # type: (pexpect.spawn, str) -> None
    """发送命令到子进程并等待响应
    
    Args:
        child (pexpect.spawn): SSH连接的子进程对象
        cmd (str): 要发送的命令
    
    Returns:
        None
    """
    pass 

def connect(user, host, password):
    # type: (str, str, str) -> pexpect.spawn
    """建立SSH连接
    
    Args:
        user (str): 用户名
        host (str): 主机地址
        password (str): 密码
    
    Returns:
        pexpect.spawn: SSH连接的子进程对象，连接失败时返回None
    """
    pass


def main():
    # type: () -> None
    """主函数，处理命令行参数并执行网络配置
    CLI:

    enable
    configure terminal
    interface port-channel 1
    lacp timeout enable
    description Test-DUT2
    ip address 10.0.0.1/24
    exit
    interface eth200GE 1
    channel-group 1 active 
    exit
    interface eth200GE 2
    channel-group 1 active 
    end

    Returns:
        None
    """
    # 检查命令行参数
    if len(sys.argv) != 4:
        print("Usage: python psss.sh <ip> <interface1> <interface2>")
        print("Example: python psss.sh 1 eth200GE1 eth200GE2")
        sys.exit(1)
    
    # 从命令行参数获取接口名称
    interface1 = sys.argv[2]
    interface2 = sys.argv[3]
    ip = sys.argv[1]
    
    hosts = ['10.253.49.'+ip]
    passwords = ['tencent']
    users = ['tencent']
    
    for i in range(len(hosts)):
        host = hosts[i]
        user = users[i]
        password = passwords[i]
        child=connect(user, host, password)
        send_command(child, 'interface port-channel 1')
        send_command(child, 'lacp timeout enable')
        send_command(child, 'description Test-DUT2')
        send_command(child, 'ip address 10.0.0.1/24')
        send_command(child, 'exit')
        send_command(child, 'interface {}'.format(interface1))
        send_command(child, 'channel-group 1 active')
        send_command(child, 'exit')
        send_command(child, 'interface {}'.format(interface2))
        send_command(child, 'channel-group 1 active')
        send_command(child, 'end')
        

if __name__ == '__main__':
    main()